Aweight lifter lifts a 380-n set of weights from ground level to a position over his head, a vertical distance of 2.25 m. how much work does the weight lifter do, assuming he moves the weights at constant speed?

Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?